# Question

The Pew Internet Project survey of 1,006 American adults found the following: 906 have a cell phone 584 have a smartphone 322 have an ebook reader 423 have a tablet computer Source: “Device Ownership Over Time,” bit. ly/ 1fvWYrL.
a. Construct 95% confidence interval estimates for the population proportion of the electronic devices adults own.
b. What conclusions can you reach concerning what electronic devices adults have?

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